{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "36543",
    "entityType": "User",
    "nonce": "0x2d6f1cfd9d9d3f5430d415a850ed1ef5923f3a50ca52761dfcab069d0303deac",
    "signature": "0xb0a44a31077a70f92ed9f0f9b3088075862394ca041ff666e5ca5a40488ae3b835c6d168c0b1473fe2504fa9c4dec34b3cf663ce85691780c4635e27a59633f61b",
    "signer": "0x5452f86EfcB1153FF9C10bdbe4103Ce25434D124",
    "userId": "620307004"
  }
}